269388389340 has 144 divisors (see below), whose sum is σ = 941233692672. Its totient is φ = 61089614208.

The previous prime is 269388389299. The next prime is 269388389363. The reversal of 269388389340 is 43983883962.

It is a super-2 number, since 2×269388389340² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 681714 + ... + 1001753.

It is an arithmetic number, because the mean of its divisors is an integer number (6536345088).

Almost surely, 2^269388389340 is an apocalyptic number.

269388389340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

269388389340 is an abundant number, since it is smaller than the sum of its proper divisors (671845303332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

269388389340 is a wasteful number, since it uses less digits than its factorization.

269388389340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1683616 (or 1683611 counting only the distinct ones).

The product of its (nonzero) digits is 53747712, while the sum is 63.

The spelling of 269388389340 in words is "two hundred sixty-nine billion, three hundred eighty-eight million, three hundred eighty-nine thousand, three hundred forty".